DISPOSIZIONE DI GUARNIZIONE DI TENUTA DI UN ELEMENTO ASTIFORME
The seal assembly for separating a region at a higher pressure p1 from a lower pressure region p2 has a first, elastomeric, sealing element 5 having a sealing lip engaging the surface of a rod 2 and a second, PTFE, sealing element 6 having a substantially rectangular shape in cross-section. The PTFE...
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Zusammenfassung: | The seal assembly for separating a region at a higher pressure p1 from a lower pressure region p2 has a first, elastomeric, sealing element 5 having a sealing lip engaging the surface of a rod 2 and a second, PTFE, sealing element 6 having a substantially rectangular shape in cross-section. The PTFE element 6 has an inclined surface 7 meeting the rod at an angle a and a lubricating pocket 9 is formed between the two sealing elements, improving the friction behaviour of the seal. |
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